5a261ccfeb
be used to provide fast softint for other interrupt implementations.
78 lines
3.1 KiB
C
78 lines
3.1 KiB
C
/* $NetBSD: softint.h,v 1.1 2011/06/14 22:36:12 matt Exp $ */
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/*-
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* Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
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* Agency and which was developed by Matt Thomas of 3am Software Foundry.
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*
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* This material is based upon work supported by the Defense Advanced Research
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* Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
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* Contract No. N66001-09-C-2073.
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* Approved for Public Release, Distribution Unlimited
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef __INTR_PRIVATE
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#ifndef _POWERPC_SOFTINT_H_
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#define _POWERPC_SOFTINT_H_
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#include <sys/intr.h>
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#ifdef __HAVE_FAST_SOFTINTS
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#ifdef __HAVE_PREEMPTION
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#define IPL_PREEMPT_SOFTMASK (1 << IPL_NONE)
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#else
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#define IPL_PREEMPT_SOFTMASK 0
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#endif
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#define IPL_SOFTMASK \
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((1 << IPL_SOFTSERIAL) | (1 << IPL_SOFTNET ) \
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|(1 << IPL_SOFTBIO ) | (1 << IPL_SOFTCLOCK ) \
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|IPL_PREEMPT_SOFTMASK)
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#define SOFTINT2IPL_MAP \
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((IPL_SOFTSERIAL << (4*SOFTINT_SERIAL)) \
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|(IPL_SOFTNET << (4*SOFTINT_NET )) \
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|(IPL_SOFTBIO << (4*SOFTINT_BIO )) \
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|(IPL_SOFTCLOCK << (4*SOFTINT_CLOCK )))
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#define SOFTINT2IPL(si_level) ((SOFTINT2IPL_MAP >> (4 * (si_level))) & 0x0f)
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#define IPL2SOFTINT_MAP \
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((SOFTINT_SERIAL << (4*IPL_SOFTSERIAL)) \
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|(SOFTINT_NET << (4*IPL_SOFTNET )) \
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|(SOFTINT_BIO << (4*IPL_SOFTBIO )) \
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|(SOFTINT_CLOCK << (4*IPL_SOFTCLOCK )))
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#define IPL2SOFTINT(ipl) ((IPL2SOFTINT_MAP >> (4 * (ipl))) & 0x0f)
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#ifdef _KERNEL
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void powerpc_softint(struct cpu_info *, int, vaddr_t);
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void powerpc_softint_init_md(lwp_t *, u_int, uintptr_t *);
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void powerpc_softint_trigger(uintptr_t);
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#endif
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#endif /* __HAVE_FAST_SOFTINTS */
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#endif /* !_POWERPC_SOFTINT_H_ */
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#endif /* __INTR_PRIVATE */
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